1924. Twenty-Second Edition. 392 pages. No dust jacket. Blue cloth. Revised by John King. Contains black and white in-text illustrations, with fold-out illustrated plate. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Cracking to hinges with exposed binding. Some minor pencil marking to a few pages. Previous owner's inscription to front pastedown and free endpaper. Binding remains firm. Fold-out illustrations are in good condition. Boards have moderate edge wear with bumping to corners and rubbing to surfaces. Crushing to spine ends with small splits and fraying to cloth. Scuffing to all surfaces with some dark water staining. Mild tanning to spine and edges.